1203199999 has 2 divisors, whose sum is σ = 1203200000. Its totient is φ = 1203199998.

The previous prime is 1203199957. The next prime is 1203200017. The reversal of 1203199999 is 9999913021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203199999 - 2¹⁷ = 1203068927 is a prime.

1203199999 is a modest number, since divided by 99999 gives 12031 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203194999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601599999 + 601600000.

It is an arithmetic number, because the mean of its divisors is an integer number (601600000).

Almost surely, 2^1203199999 is an apocalyptic number.

1203199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203199999 is an equidigital number, since it uses as much as digits as its factorization.

1203199999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 354294, while the sum is 52.

The square root of 1203199999 is about 34687.1734074715. The cubic root of 1203199999 is about 1063.6023158930.

The spelling of 1203199999 in words is "one billion, two hundred three million, one hundred ninety-nine thousand, nine hundred ninety-nine".